Background idea for displaying black png images

Question

I need a good way to display black png images in my webapp

Hover

I thought about using a "transparency tile" but that wouldn't look good
I even used CSS stripes but the result wasn't great

I need a background which could work for all sorts of images

Answer 1

Try a Security pattern

_{Google search security pattern}

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Or a fake Hologram Security Pattern

_{Google search Hologram security pattern}